Key Facts
- Duration
- 1780–1782 (approx. 2 years)
- Successful British resupply missions
- 4
- British garrison commander
- Colonel Ross Lang
- Conflict context
- Second Anglo-Mysore War
Strategic Narrative Overview
Hyder Ali's forces first besieged Vellore in 1780, but mounting military commitments elsewhere compelled him to reduce the siege to a looser blockade. Despite this reduction in pressure, Mysore troops maintained the blockade until 1782. The British garrison under Colonel Ross Lang remained operational throughout, being successfully resupplied on four separate occasions, neutralising the strategic effectiveness of the Mysorean blockade.
01 / The Origins
The Siege of Vellore occurred within the broader context of the Second Anglo-Mysore War (1780–1784), a conflict driven by Mysore's ruler Hyder Ali seeking to counter British expansion in southern India. Vellore's fortress was a strategically significant British East India Company stronghold in present-day Tamil Nadu, making it a target for Mysore forces aiming to weaken British territorial control in the region.
03 / The Outcome
The blockade was abandoned in 1782 without Mysore achieving its objective of capturing the fortress. The British garrison at Vellore held out for the duration, and the failed siege left the Company's position intact. The broader Second Anglo-Mysore War continued until 1784, concluding with the Treaty of Mangalore, which restored pre-war territories between the two powers.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Hyder Ali.
Side B
1 belligerent
Colonel Ross Lang.
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.